Messenger

07861, 1981 EK25, 1981EK25, J81E25K

All data for this body: [vot]

MPC data
Name (number) Messenger (7861)
a 2.43861
e 0.17288
i / sin(i) 1.9543 / 0.03410
q 2.01702
Q 2.86021
ω 345.5142
Node 309.0602
m 324.1757
n 0.2588
Epoch 2460200.5
nobs 2544
nopp 23
Years observed 1981-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.437
ep 0.159
sin(ip) 0.048
Value Standard error
G 0.150
H 14.620
Mass
D 2.82 0.438
pV 0.321 0.1005
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4374 0.1593 0.0475 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.82 0.438 0.438 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.321 0.1005 0.1005 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.62 MPC-2023-12-04 MPC-2023-12-04 Phot